rabidgnome phase change isn't quite compressing and decompressing the gas in the same area. there is a seperate area that gets compressed from the stuff that gets expanded. so for that to work he would have to have two chambers and even then I think air wouldn't make the most efficient use.
amd_hardsoftware what type of fan are you proposing to use to create this low pressure?
Originally Posted by kennymester
Honestly I don't think that any case can be perfectly seal a vacum. The fans however will not break becuase of that becuase even with the most powerful computer fans you couldn't make a perfect vacum. From experiece though having negative pressure is the best way to get rid of heat.
are you sure "negative pressure" is the best way to remove heat? how did you create this "negative pressure". any proof on this and that it was caused by low pressure?